Perhaps you should try some spelling variations:
wang yong » wang yang, wang hyoung, wang yan
yong yan » yang yang, dong yang, ying yang
kim song » kim young, kim eung
li hong » le hong, li cong, li rong
li song » li cong, li rong, jie song
yan di » yang di, pan di, yan zi
erence » terence, terrence

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong yan di erence (tang OR tan) ((li hong) OR (((li song) OR (kim song)))) shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong yan di erence (tang or tan) ((li hong) or (((li song) OR (kim song)))) shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang yong yan di erence (tang or tan) ((li hong) or (((li song) OR (kim song)))) shu ;*.